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^: 3450 2011 2
^: ..
^: = Methods for retaining soil fertility and increasing productivity of agrocenoses in the agriculture of the Nonchernozemic zone
^: , 2011; N 2. - . 34-36
^: 2011
^: . ..-.:.36
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^: - , , , , 8 /.

aref2 2 The growing of perennial legumes, the use of mixed cultivation techniques, the substitution of black fallow by green-manured fallow, and the application of organic fertilizers to clover crop rotations at a rate of no more than 8 t/ha are suitable for the retention of fertility of soddy-podzolic soils.

^TRN: 1182889
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